plank vs knothole

plank and knothole both are nouns.

Word	Noun	Adjective	Verb	Adverb
plank	Yes	No	Yes	No
knothole	Yes	No	No	No

plank (noun)	knothole (noun)
an endorsed policy in the platform of a political party	a hole in a board where a knot came out
a stout length of sawn timber; made in a wide variety of sizes and used for many purposes

plank (verb)	knothole (verb)
cook and serve on a plank
cover with planks
set (something or oneself) down with or as if with a noise